The expression squaring the circle is sometimes used as a metaphor for trying to do the impossible. The term quadrature of the circle is sometimes used to mean the same thing as squaring the circle, but it may also refer to approximate or numerical methods for finding the area of a circle.
1 As a constituent in a blended cream or lotion, rose geranium essential oil can be used for clearing sluggish and oily skin, as well as wound, burn and ulcer healing and has value to treat eczema, repelling insects, shingles, cellulite, ringworm, bruises and engorgement of the breasts. Rose geranium oil can be used in blended massage oil, or diluted in a bath to assist with PMS, depression, stress, anxiety and tension, fluid retention, edema, eczema, shingles, cellulite, bruises, ringworm, hemorrhoids and menstrual irregularities.
The leaves of common geranium are round or heart-shaped and medium green in color. A distinguishing characteristic of geranium leaves is a band of darker green that runs around the perimeter of the leaf near the edge. This is referred to as a zonal band and explains why common geranium is also called zonal geranium.